public class IntArraysAverageMethod {

    public static double avg (int[] array) {
        int sum = 0;
        for(int i = 0;i < array.length;i++) {
            sum += array[i];
        }
        return (double)sum/(double)array.length;
    }

    public static void main(String[] args) {
        int[] array = {1 , 2 , 3 , 4 , 5 , 6};
        System.out.println(avg(array));
    }
}
